SP3222EEY/TR Exar, SP3222EEY/TR Datasheet - Page 5

• Manufacturer Part Number: SP3222EEY/TR
• Description: RS-232 Interface IC RS232 Transceiver 3-5.5V 2-drvr/2-rcvr
• Manufacturer: Exar

Specifications of SP3222EEY/TR

• Product Category: RS-232 Interface IC
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Function: Transceiver
• Number Of I/os: 4

Table 1. Device Pin Description
NAME
R
R
T
T
SHDN
GND
R
R
T
T
N.C.
C1+
C2+
1
2
1
2
C1-
C2-
V
EN
V+
OUT
OUT
V-
OUT
OUT
1
2
1
2
IN
IN
CC
IN
IN
Receiver Enable. Apply Logic LOW for normal operation.
Apply logic HIGH to disable the receiver outputs (high-Z state)
Positive terminal of the voltage doubler charge-pump capacitor
+5.5V output generated by the charge pump
Negative terminal of the voltage doubler charge-pump capacitor
Positive terminal of the inverting charge-pump capacitor
Negative terminal of the inverting charge-pump capacitor
-5.5V output generated by the charge pump
RS-232 driver output.
RS-232 driver output.
RS-232 receiver input
RS-232 receiver input
TTL/CMOS receiver output
TTL/CMOS receiver output
TTL/CMOS driver input
TTL/CMOS driver input
Ground
+3.0V to +5.5V supply voltage
Shutdown Control Input. Drive HIGH for normal device operation.
Drive LOW to shutdown the drivers (high-Z output) and the on-
board power supply
No Connect
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com
FUNCTION
5
SOIC
15
14
13
10
12
16
17
18
11
1
2
3
4
5
6
7
8
9
-
SP3222E
SP3222E/SP3232E_101_031413
TSSOP
PIN NUMBER
SSOP
11, 14
17
16
15
10
13
12
18
19
20
PIN FUNCTION
1
2
3
4
5
6
7
8
9
SP3232E
14
13
12
10
15
16
11
1
2
3
4
5
6
7
8
9
-
-
-